Hyundai Accent: Heated Oxygen Sensor (HO2S). Description and Operation

Heated Oxygen Sensor (HO2S) consists of zirconium and alumina and is installed both upstream and downstream of the Manifold Catalytic Converter. The sensor output voltage varies in accordance with the air/fuel ratio.

The sensor must be hot in order to operate normally. To keep it hot, the sensor has a heater which is controlled by the ECM via a duty cycle signal. When the exhaust gas temperature is lower than the specified value, the heater warms the sensor tip.

Installation

• Install the component with the specified torques. • ...

Heated Oxygen Sensor (HO2S). Specifications

Specification HO2S [Bank 1/Sensor 1] Item Specification Heater Resistance (Ω) 2.4 ~ 4.0 [20°C(68°F)] HO2S [Bank 1/Sensor 2 ...

See also:

Rear Seat. Components and Components Location
Components 1. Headrest [RH] 2. Rear seat back cover [RH] 3. Rear seat back frame assembly [RH] 4. Rear back cover [RH] 5. Headrest [Center] 6. Headrest [LH] 7 ...

Replacement
1. Remove the rear wheel & tire. Tightening torque : 88.3 ~ 107.9N.m (9.0 ~ 11.0kgf.m, 65.1 ~ 79.6lb-ft) ...

Owner’s responsibility
NOTICE Maintenance Service and Record Retention are the owner's responsibility. You should retain documents that show proper maintenance has been performed on your vehicle in accordance with ...